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This study found that topical minoxidil induced hair regrowth in stumptailed macaques, with more significant effects observed in younger animals, while cessation led to renewed balding and retreatment restored regrowth.

In this study with stumptailed macaques, topical minoxidil successfully induced hair regrowth on bald scalps and prevented baldness on non-bald scalps, with no observed side effects over nearly three years.

Androgen receptors found in monkey scalps, similar to humans, affect hair growth.

The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.

This paper discusses the lack of a genetic model for androchronogenic alopecia in rodents, noting the stumptailed macaque as a better current model due to its similarities to human male-pattern baldness; it reports no new results.

This article reviews potential animal models for studying androgenetic alopecia and reports no new experimental results; the authors highlight the need for further development of rodent models.

This review discusses the suitability of stump-tailed macaques and rodent models for studying hair growth and developing treatments for androgenetic alopecia, but reports no new experimental results.

This review discusses techniques and models for assessing hair growth activity but reports no new clinical findings, emphasizing the need for standardization and improved animal models.

In this study using a macaque model, RU58841 at a 5% concentration significantly increased hair density, thickness, and length in the frontal bald scalp over six months.

This study concludes that rhesus macaques are a suitable model for testing the pharmacological properties of finasteride and other 5aR inhibitors, due to their biochemical similarity to humans.

This study found that a high-fat diet in macaques led to severe gastrointestinal inflammation and chronic wasting, with more pronounced effects in females, highlighting the potential risks of certain dietary interventions in obesity models.

This study found that daily topical application of 500 microg/ml latanoprost led to moderate to marked hair regrowth in a macaque model of androgenetic alopecia.

This study found that social hair plucking in captive rhesus macaques was associated with alopecia and exhibited patterns similar to both prosocial and aggressive behaviors.

In this animal study, topical diazoxide treatment led to increased hair thickness and follicle growth in bald stumptailed macaques without causing notable systemic side effects.

Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.

This report introduces a mouse model with androgen-dependent alopecia, suggesting it as a potential alternative for studying hair loss mechanisms and testing treatments.

In this study, scalp skin from stumptailed macaques demonstrated minoxidil sulfotransferase activity primarily in hair follicles, which may explain minoxidil's hair growth stimulation in this model.

This study found that topical minoxidil and diazoxide induced significant hair regrowth in bald macaques, while a steroid 5 alpha-reductase inhibitor prevented baldness in preadolescent macaques.

This study found that humans have a much higher eccrine gland density than chimpanzees and macaques, suggesting a unique evolutionary path for human skin features.

Minoxidil and 4-MA can help treat hair loss.

Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.

This article discusses methods to evaluate hair growth stimulants and reports no new clinical results; the authors highlight the need for more precise identification of stem cell sites in hair follicles.

This review discusses the occurrence and impact of background histopathologic changes in nonhuman primate research, emphasizing the importance of understanding these factors to enhance study validity and interpretation.

Testosterone causes hair loss in AGA mice, which are good for testing baldness treatments, and both minoxidil and cyproterone acetate can prevent this hair loss.

This review evaluates laboratory models used in androgenetic alopecia research but reports no new findings, emphasizing the potential of human-derived 3-D models for future studies.

This abstract does not provide specific findings or results.

This review explores animal models of alopecia areata, particularly focusing on the insights they've provided into the disease's immune mechanisms and potential treatment approaches, without reporting new experimental data.

In this study, a methanol extract of Eclipta alba was found to have dose-dependent hair growth-promoting activity in C57BL6 mice.

This review discusses the use of Dermal Papilla cells as in vitro models for studying hair growth modulators, emphasizing their role in aiding the development of new hair treatments, but reports no new clinical results.